Rack 'n Roll

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Description:

Rack 'n Roll is the game for the 2007 FIRST Robotics Competition season, announced on January 6, 2007. In it, two alliances of three teams each compete to arrange toroidal game pieces on a central arena element known as 'The Rack'.

Robots

Classes

Robots fall under three different classes restricting their maximum weight and height. These classes are:

Other restrictions

Robots also must have a maximum starting footprint of 28" x 38" regardless of class. Robots may expand once the match has begun. The game manual includes other rules restricting various aspects of the construction of the robot that have been put in place for the purpose of safety and fairness.

Field

The Rack 'n Roll field is dominated by 'The Rack', a large metal contraption with three levels of hanging metal bars, with each level having 8 arms evenly spaced in an octagonal manner. Each arm (known as a 'spider leg') has space for two game pieces. Any more pieces placed on a spider leg beyond the first two are ignored for scoring purposes. At the beginning of the match, the rack is arbitrarily translated or rotated within three feet of the center of the field in order to give some randomness and to encourage autonomous modes that do not depend on dead-reckoning. At the top of the Rack are four green-colored lights above the 1, 3, 5, and 7 legs to aid in autonomous-mode tracking.